CN106275492A - Spacecraft thermal vacuum test distillation water collecting device - Google Patents
Spacecraft thermal vacuum test distillation water collecting device Download PDFInfo
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- CN106275492A CN106275492A CN201510290312.5A CN201510290312A CN106275492A CN 106275492 A CN106275492 A CN 106275492A CN 201510290312 A CN201510290312 A CN 201510290312A CN 106275492 A CN106275492 A CN 106275492A
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- cold drawing
- distillation water
- ice chest
- drawing assembly
- chest cover
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses spacecraft thermal vacuum test distillation water collecting device, including ice chest cover, cold drawing assembly, collecting tank and support frame three part, ice chest cover envelope cold drawing assembly top and 4 sides, top connects the outlet of water sublimate device, and bottom is bolted in support frame.The distillation water that water sublimate device is discharged is led cold drawing assembly.Ice chest cover, cold drawing assembly, collecting tank are all bolted in support frame.Carrying out temperature control at ice chest cover entry position patch thin film heater and thermocouple, temperature controlling range is 5 DEG C～10 DEG C.Ensureing that the distillation water that the outlet of water sublimate device is discharged spreads in time and captured by cold drawing assembly, thus ensure that the pressure that water sublimate device exports is not above 10Pa, the vacuum of the space simulator outside ice chest cover and collecting tank is unaffected.
Description
Technical field
The invention belongs to spacecraft thermal test technical field, in particular it relates to a kind of for space flight
Distil under device vacuum thermal test environment water capture collection device.
Background technology
In the use of survey of deep space task and big power consumption spacecraft, when Space Vehicle System cannot provide enough
During heat loss through radiation area, need to use water sublimate device as auxiliary heat dissipation.Water sublimate device is a kind of special phase
Become heat abstractor, be especially suitable for space application.Owing to space high vacuum environment pressure is far below relatively low water three
Point pressure, after solid ice absorbs heat, will not pass through thawing and directly rises Huawei's steam, in sublimation process
The latent heat absorbed is far above aqueous water condensation heat.Utilize this principle, make working-medium water according to water one ice one gas
The process of state water undergoes phase transition, and water sublimate device can effective dissipation spacecraft equipment used heat.With other spacecrafts
And parts are the same, the water sublimate device vacuum thermal test on ground will be in simulation vacuum and the spatial environments of cold-scarce scape
Carry out in simulator, collect if a large amount of vaporous waters of water sublimate device release do not carry out capture, will necessarily be serious
Affect vacuum state in container, it is impossible to the effectively real state in-orbit of simulation.According to GJB1033A-2005 requirement,
Spacecraft vacuum in carrying out vacuum thermal test time space environment simulator needs to be better than 1.3 × 10-3Pa。
It addition, the outlet of water sublimate device is also required to the state in true simulation space, the pressure of outlet should be less than 10Pa,
Guarantee water sublimate device normally works.This just requires that water sublimate device changes thermogenetic distillation water, certain
Need under dissipation flow to be collected by diffusion capture in time.
Therefore, in order to realize the exact state simulation of spacecraft water sublimate device vacuum thermal test, it is necessary to design one
Set distillation water collecting device, at water sublimate device outlet a large amount of gaseous states that diffusion is discharged by water sublimate device heat exchange in time
Water, and these vaporous waters of collection can be captured, make vacuum degree of vessel be better than 1.3X10 all the time-3Pa, exists simultaneously
Under maximum dissipation flow, the pressure of water sublimate device outlet is consistently less than 10Pa, the state in true simulation space,
Improve test accuracy and test level.
Summary of the invention
Dress is collected in the distillation water capture that the technical problem to be solved in the present invention is to provide under a kind of vacuum environment
Put, it is possible to during spacecraft thermal vacuum test, distil water in a large number (about to what spacecraft heat exchange distilled
20kg, maximum dissipation flow is not less than 0.35g/s) carry out capture collection, space simulator vacuum
All the time 1.3X10 it is better than-3Pa, in process of the test, the outlet pressure of water sublimate device is less than 10Pa.
The spacecraft water sublimate device vacuum thermal test vaporous water capture collection device of the present invention, for spacecraft water
Sublimating apparatus vacuum thermal test provides technical guarantee.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
Spacecraft thermal vacuum test distillation water collecting device, including cold drawing assembly, ice chest cover, collecting tank and
Support frame frame, ice chest cover envelope cold drawing assembly top and four sides, the top of ice chest cover is communicated with distillation water and enters
Mouthful, bottom is bolted in support frame, and distillation water is imported cold drawing assembly, and collecting tank is positioned at cold
The bottom of board component, the cold drawing assembly, the collecting tank that are arranged in ice chest cover be all mechanically fixed on the support frame,
Ice chest cover distillation water inlet position be sticked film heater and pass through thermocouple temperature control, cold drawing assembly by
Liquid nitrogen imports and exports flange, liquid nitrogen main pipeline, liquid nitrogen branch pipe(tube), cold drawing fin, cold drawing baffle composition, in order to
Surface temperature less than 180K and enough adsorption surface areas are provided, adsorb distillation water, it is ensured that water sublimate
The distillation water that device outlet is discharged spreads in time and is captured by cold drawing assembly, to ensure the pressure that water sublimate device exports
It is not above 10Pa.
Wherein, cold drawing assembly uses liquid nitrogen pipe network welding fin and the version of baffle, the barrier of cold drawing assembly
Plate is the copper plate of thick 1.5mm, vertical cold drawing surface.
Wherein, it is contemplated that distillation water by crown center enter ice chest cover, the length of baffle according to " recessed " shape with
The branch pipe welding of cold drawing assembly.
Wherein, cold drawing assembly integral spray high emissivity is pitch-dark, and ice chest cover inner surface brush is pitch-dark, external sheath
The low temperature multilayer insulation assembly of 10 unit.
Further, cold drawing assembly is connected into liquid nitrogen system freezes by importing and exporting flange；
Further, the cold drawing fin that cold drawing assembly is adjacent overlaps each other；
Further, ice chest cover side lower limb is between cold drawing assembly and collecting tank, and side lower limb is low
In cold drawing assembly baffle；
Further, collecting tank side top edge is higher than ice chest cover side lower limb；
Further, support ice chest cover, cold drawing assembly, the cushion block of collecting tank use low thermal conductivity nonmetal
Material, such as politef, polyimides, fiberglass etc.；
Further, cold drawing assembly integral spray high emissivity is pitch-dark；
Further, the low temperature multilayer insulation assembly of 10 unit of ice chest cover external sheath.
The distillation water collecting device of the present invention, it is achieved that the distillation water capture under vacuum thermal test environment is received
Collection, makes vacuum degree of vessel be better than 1.3X10 all the time-3Pa, simultaneously under maximum dissipation flow, water sublimate device
State in the true simulation space of pressure of outlet, improves test accuracy and test level.
Accompanying drawing explanation
Fig. 1 is the spacecraft thermal vacuum test distillation water collecting device schematic diagram of the present invention；
In figure, 1, ice chest cover；2, cold drawing assembly；3, support frame；4, collecting tank；5, ice chest cover every
Heat pad；6, cold drawing assembly heat insulating mattress.
Fig. 2 is the cold drawing modular construction schematic diagram of the present invention；
In figure, 7, cold drawing baffle；8, liquid nitrogen suction flange；9, cold drawing component framework；10, liquid nitrogen arm
Road；11, cold drawing fin；12, liquid nitrogen outlet(discharge) flange.
Detailed description of the invention
Referring to the drawings the structure of the spacecraft thermal vacuum test distillation water collecting device of the present invention is carried out in detail
Describe in detail bright, but this describes merely illustrative, it is no intended to protection scope of the present invention is carried out any restriction.
It is the spacecraft thermal vacuum test distillation water collecting device schematic diagram of the present invention with reference to Fig. 1, Fig. 1.Should
Device includes ice chest cover, cold drawing assembly, support frame and collecting tank four part.Ice chest cover envelope cold drawing assembly
Top and four sides, the top of ice chest cover is communicated with water sublimate device distillation water outlet, and bolt is passed through in bottom
It is fixing that collecting tank is positioned at the bottom of cold drawing assembly on the support frame, the cold drawing assembly that is arranged in ice chest cover,
Collecting tank all being bolted in support frame by band heat-insulating cushion block.
The ice chest cover top of the present invention connects the outlet of water sublimate device, and bottom is bolted in support frame.
The steam that water sublimate device is discharged is led cold drawing assembly, as shown in Fig. 11.Ice chest cover lower limb is positioned at cold
Between board component and collecting tank, side lower limb is less than bottom cold drawing assembly baffle, for avoiding distillation water possible
Condense in ice chest cover entry position and increase outlet pressure, at ice chest cover entry position patch thin film heater and thermocouple
Carrying out temperature control, temperature controlling range is 5 DEG C～10 DEG C.Ice chest cover inner surface brush pitch-dark increase ice chest cooling speed
Rate, the low temperature multilayer insulation assembly of external sheath 10 unit, without the region directly facing external environment condition.
The cold drawing assembly of the present invention with reference to Fig. 2, cold drawing assembly by liquid nitrogen import and export flange, liquid nitrogen main pipeline,
Liquid nitrogen branch pipe(tube), cold drawing fin, cold drawing baffle form.Wherein liquid nitrogen is imported and exported flange and is respectively welded at two
On rustless steel liquid nitrogen main pipeline, two rustless steel liquid nitrogen supervisors and some rustless steel liquid nitrogen arms are by welding
The flat tube web frame of composition circulation passage, every liquid nitrogen branch pipe(tube) both sides welding cold drawing fin, vertical plane
Pipe network structure welding cold drawing baffle, cold drawing fin and cold drawing baffle are the copper plate of thick 1.5mm.Cold drawing pipe
The overall leak rate of net is less than 1 × 10-7Pa·L/S.Rustless steel pipe network welding fin, the form of baffle use argon
Arc-welding full weld, it is ensured that during test, between liquid nitrogen pipe network and cold drawing baffle, heat conduction is good, cold drawing assembly bulk temperature
Uniformly.On adjacent liquid nitrogen branch pipe(tube), the cold drawing fin of welding overlaps each other at least 20mm.In view of distillation water by
Crown center enters ice chest, and for affecting the conductance of system after avoiding porch frosting, baffle height is lateral from two
Interior in waiting difference data to reduce, according to " recessed " shape and liquid nitrogen branch pipe welding, the intensity of baffle after welding for increase,
Strengthen near the two Edge Bend 10mm of supervisor at baffle.Cold drawing assembly integral spray high emissivity is pitch-dark,
Improve cold drawing assembly surface and condense adhesive force, the most pitch-dark enhancing cold drawing assembly radiation heat transfer each other, carry
The temperature homogeneity of cold drawing assembly during high test, makes cold drawing assembly bulk temperature less than 110K.Cold drawing assembly leads to
Cross and be bolted in support frame.
The support frame of the present invention is made up of rustless steel channel-section steel argon arc welding, is used for supporting ice chest cover, cold drawing group
Part, collecting tank, as shown in Fig. 13.Lip block uses low thermal conductivity nonmetallic materials, such as poly-four
Fluorothene, polyimides, fiberglass etc., in the case of ensureing support strength, sectional area is the least,
Such as in Fig. 15, shown in 6.Support frame and ice chest cover, cold drawing assembly, collecting tank are the most with bolts.
The collecting tank of the present invention uses thick corrosion resistant plate thick for 1mm, the outside bone for rustless steel square steel composition
Frame, full weld between each sheet of rustless steel, No leakage.Collecting tank side top edge is following higher than ice chest cover side
Edge, overlap at least 20mm, as shown in Fig. 14.Collecting tank sprays high emissivity towards cold drawing assembly face
Pitch-dark.
Use middle by cold drawing assembly import and export flange be connected into liquid nitrogen flow system, by liquid nitrogen flow process by cold drawing group
Part bulk temperature is down to below 110K.The temperature controlling ice chest cover entrance during use is 5 DEG C～10 DEG C,
Designed by the structure of ice chest cover entrance, the steam that the outlet of water sublimate device is discharged is spread in time and causes cold drawing
Assembly.The cold drawing baffle and the cold drawing fin that utilize cold drawing assembly adsorb the distillation water extracting the release of water sublimate device,
Distillation water is condensed on cold drawing assembly with the form of solid-state " white ".After use terminates.Treat that cold drawing assembly coagulates
The distillation water liquefaction of knot, uses collecting tank to be collected.
Although the detailed description of the invention to the present invention gives detailed description and illustrates above, but it should be noted that
, we can carry out various equivalence according to the conception of the present invention and change and amendment above-mentioned embodiment,
Function produced by it still without departing from description and accompanying drawing contained spiritual time, all should be the present invention's
Within protection domain.
Claims (10)
1. spacecraft thermal vacuum test distillation water collecting device, including cold drawing assembly, ice chest cover, collecting tank and
Support frame, ice chest cover envelope cold drawing assembly top and four sides, the top of ice chest cover is communicated with distillation water
Entrance, bottom is bolted in support frame, and distillation water is imported cold drawing assembly, and collecting tank is positioned at
The bottom of cold drawing assembly, the cold drawing assembly, the collecting tank that are arranged in ice chest cover are all mechanically anchored in support frame
On, ice chest cover distillation water inlet position be sticked film heater and pass through thermocouple temperature control, cold drawing group
Part is imported and exported flange by liquid nitrogen, liquid nitrogen main pipeline, liquid nitrogen branch pipe(tube), cold drawing fin, cold drawing baffle form,
In order to provide the surface temperature less than 180K and enough adsorption surface areas, adsorb distillation water, it is ensured that water
The distillation water that sublimating apparatus outlet is discharged spreads in time and is captured by cold drawing assembly, to ensure what water sublimate device exported
Pressure is not above 10Pa.
2. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, cold drawing
Assembly uses liquid nitrogen pipe network welding fin and the version of baffle, and the baffle of cold drawing assembly is copper plate, hangs down
Direct-cooled plate surface.
3. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, baffle
Length is according to the branch pipe welding of " recessed " shape Yu cold drawing assembly.
4. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, cold drawing group
Part integral spray high emissivity is pitch-dark, and ice chest cover inner surface brush is pitch-dark, the low temperature multilamellar of 10 unit of external sheath
Insulating assembly.
5. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, cold drawing group
Part is connected into liquid nitrogen system by import and export flange and freezes, and cold drawing assembly adjacent cold drawing fin overlaps each other.
6. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, ice chest cover
Side lower limb is between cold drawing assembly and collecting tank, and side lower limb is less than cold drawing assembly baffle；Collect
Groove side top edge is higher than ice chest cover side lower limb.
7. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, ice chest cover
Entry position patch thin film heater and thermocouple carry out temperature control.
8. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 1, wherein, cold drawing
Assembly integral spray high emissivity is pitch-dark.
9. the spacecraft thermal vacuum test distillation water collecting device as described in any one of claim 1-8, wherein,
Support the cushion block employing low thermal conductivity nonmetallic materials of ice chest cover, cold drawing assembly, collecting tank.
10. spacecraft thermal vacuum test distillation water collecting device as claimed in claim 9, wherein, non-gold
Genus material is politef, polyimides or fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290312.5A CN106275492B (en) | 2015-05-29 | 2015-05-29 | Spacecraft thermal vacuum test distillation water collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290312.5A CN106275492B (en) | 2015-05-29 | 2015-05-29 | Spacecraft thermal vacuum test distillation water collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106275492A true CN106275492A (en) | 2017-01-04 |
| CN106275492B CN106275492B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510290312.5A Expired - Fee Related CN106275492B (en) | 2015-05-29 | 2015-05-29 | Spacecraft thermal vacuum test distillation water collecting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268175A (en) * | 2020-02-11 | 2020-06-12 | 扬州大学 | Space water sublimator restraining structure for preventing breakdown instability |
| CN112903331A (en) * | 2021-02-25 | 2021-06-04 | 北京空间飞行器总体设计部 | Water supply pressure ground equivalent simulation device and method for water sublimator |
| CN112937927A (en) * | 2021-02-25 | 2021-06-11 | 北京空间飞行器总体设计部 | Water sublimation heat dissipation system for lunar surface high-temperature environment |
| CN113694557A (en) * | 2021-09-23 | 2021-11-26 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1295169A1 (en) * | 1985-10-10 | 1987-03-07 | Московский технологический институт пищевой промышленности | Vacuum-freeze drier |
| CN2932261Y (en) * | 2006-04-21 | 2007-08-08 | 北美冻干技术股份公司 | Water catching system of vacuum freeze drying machine |
| CN201173706Y (en) * | 2007-12-04 | 2008-12-31 | 北京卫星环境工程研究所 | Low background radiation heat current cold plate system in vacuum heat test |
| CN102765488A (en) * | 2012-08-01 | 2012-11-07 | 北京卫星环境工程研究所 | Ordinary-pressure thermal test system and method of manned spacecraft |
-
2015
- 2015-05-29 CN CN201510290312.5A patent/CN106275492B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1295169A1 (en) * | 1985-10-10 | 1987-03-07 | Московский технологический институт пищевой промышленности | Vacuum-freeze drier |
| CN2932261Y (en) * | 2006-04-21 | 2007-08-08 | 北美冻干技术股份公司 | Water catching system of vacuum freeze drying machine |
| CN201173706Y (en) * | 2007-12-04 | 2008-12-31 | 北京卫星环境工程研究所 | Low background radiation heat current cold plate system in vacuum heat test |
| CN102765488A (en) * | 2012-08-01 | 2012-11-07 | 北京卫星环境工程研究所 | Ordinary-pressure thermal test system and method of manned spacecraft |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268175A (en) * | 2020-02-11 | 2020-06-12 | 扬州大学 | Space water sublimator restraining structure for preventing breakdown instability |
| CN111268175B (en) * | 2020-02-11 | 2022-03-18 | 扬州大学 | Space water sublimator restraining structure for preventing breakdown instability |
| CN112903331A (en) * | 2021-02-25 | 2021-06-04 | 北京空间飞行器总体设计部 | Water supply pressure ground equivalent simulation device and method for water sublimator |
| CN112937927A (en) * | 2021-02-25 | 2021-06-11 | 北京空间飞行器总体设计部 | Water sublimation heat dissipation system for lunar surface high-temperature environment |
| CN112937927B (en) * | 2021-02-25 | 2022-07-12 | 北京空间飞行器总体设计部 | Water sublimation heat dissipation system for lunar surface high-temperature environment |
| CN112903331B (en) * | 2021-02-25 | 2022-07-29 | 北京空间飞行器总体设计部 | Water supply pressure ground equivalent simulation device and method for water sublimator |
| CN113694557A (en) * | 2021-09-23 | 2021-11-26 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
| CN113694557B (en) * | 2021-09-23 | 2022-09-02 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
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| Publication number | Publication date |
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| CN106275492B (en) | 2018-03-27 |
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Granted publication date: 20180327 Termination date: 20210529 |